### Codebook

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## Study 1
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# will_fight_4 [Willingness to Fight]
If China attacks our country in 2035, would you be willing to [Treatment (Wording Effect)]?
1 Definitely unwilling
2 Unwilling
3 Willing
4 Definitely willing

# will_fight_2 [Willingness to Fight]
If China attacks our country in 2035, would you be willing to [Treatment (Wording Effect)]?
0 Unwilling
1 Willing

# treatment_word [Treatment (Wording Effect)]
Randomly assign one of the following different words to question Willingness to Fight.
1 Fight on the battlefield
2 Defend our country and fight on the battlefield
3 Defend our country and fight
4 Defend our country

# agen [Age]
What year were you born?
What month were you born?
agen = floor( (survey date (yyyy/mm) - birthdate (yyyy/mm)) / 12)

# agen2 [Square of Age]
What year were you born?
What month were you born?
agen2 = agen^2

# female [Female]
What is your gender?
0 Male
1 Female

# male [Male]
What is your gender?
0 Female
1 Male

# high_educ [College]
What is your education level?
0 No college degree
1 With a college degree

# patriotism_4 [Patriotism]
Do you agree or disagree with the following statement: I am proud to be a citizen of my country?
1 Strongly disagree
2 Disagree
3 Agree
4 Strongly agree

# patriotism_2 [Patriotism]
Do you agree or disagree with the following statement: I am proud to be a citizen of my country?
0 Disagree
1 Agree

# taiwanese_2 [Taiwanese Identity]
In our society, some people call themselves "Taiwanese", others call themselves "Chinese", and some say that they are both. Would you identify yourself as Taiwanese, Chinese, or both?
0 Chinese/Both
1 Taiwanese

# partisanship_3 [Partisanship]
Which party are you most likely to support among domestic parties?
1 None
2 Not Incumbent
3 Incumbent

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## Study 2
======================================================================================================
# will_fight_4 [Willingness to Fight]
If China attacks our country, would you be willing to [Treatment (Wording Effect)]?
1 Definitely unwilling
2 Unwilling
3 Willing
4 Definitely willing

# will_fight_2 [Willingness to Fight]
If China attacks our country, would you be willing to [Treatment (Wording Effect)]?
0 Unwilling
1 Willing

# treatment_word [Treatment (Wording Effect)]
Randomly assign one of the following different words to question Willingness to Fight.
1 Fight on the battlefield
2 Defend our country and fight on the battlefield
3 Defend our country and fight
4 Defend our country

# agen [Age]
What year were you born?
agen = 2024 - birthyear

# agen2 [Square of Age]
What year were you born?
agen2 = agen^2

# female [Female]
What is your gender?
0 Male
1 Female

# male [Male]
What is your gender?
0 Female
1 Male

# high_educ [College]
What is your highest level of education?
0 No college degree
1 With a college degree

#taiwanese_2 [Taiwanese Identity]
In our society, some people call themselves "Taiwanese", others call themselves "Chinese", and some say that they are both. Would you identify yourself as Taiwanese, Chinese, or both?                                                                    
0 Chinese/Both
1 Taiwanese

# partisanship_3 [Partisanship]
Which party are you most likely to support among domestic parties?
1 None
2 Not Incumbent
3 Incumbent

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## Study 3
======================================================================================================
# will_fight_4 [Willingness to Fight]
If China attacks our country in 2035, would you be willing to [Treatment (Wording Effect)]?
1 Definitely unwilling
2 Unwilling
3 Willing
4 Definitely willing

# will_fight_2 [Willingness to Fight]
If China attacks our country in 2035, would you be willing to [Treatment (Wording Effect)]?
0 Unwilling
1 Willing

# treatment_word [Treatment (Wording Effect)]
Randomly assign one of the following different words to the question Willingness to Fight.
1 Fight on the battlefield
2 Defend our country and fight on the battlefield
3 Defend our country and fight
4 Defend our country

# agen [Age]
What year were you born?
What month were you born?
agen = floor( (survey date (yyyy/mm) - birthdate (yyyy/mm)) / 12)

# agen2 [Square of Age]
What year were you born?
What month were you born?
agen2 = agen^2

# high_educ [College]
What is your education level?
0 No college degree
1 With a college degree

# battalion_str [Battalion]
1 A
2 B

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## Study 4
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# will_fight_defend_battle_2 [Willingness to Fight (Defend our country and fight on the battlefield)]
If China attacks our country, would you be willing to defend our country and fight on the battlefield?
0 Unwilling
1 Willing

# list_defend_battle_t [Item Count Question (Treatment Group)]
Please indicate how many of the following military-related statements you agree with: (1) Our country should strengthen cooperation with the United States and Japan to confront China; (2) Our country should extend the military personnel training duration from two weeks to four weeks; (3) Our government should enhance benefits for military recruits; (4) If China attacks our country, I am willing to defend our nation and fight on the battlefield” 
0 none of the above
1 1 item
2 2 items
3 3 items
4 4 items

# list_defend_battle_c [Item Count Question (Control Group)]
Please indicate how many of the following military-related statements you agree with: (1) Our country should strengthen cooperation with the United States and Japan to confront China; (2) Our country should extend the military personnel training duration from two weeks to four weeks; (3) Our government should enhance benefits for military recruits
0 none of the above
1 1 item
2 2 items
3 3 items

# listgroup_defend_battle [Group]
0 Control Group
1 Treated Group

# listscore_defend_battle [Item Count Question]
If listgroup_defend_battle equals 0, then listscore_defend_battle is equal to list_defend_battle_c.
If listgroup_defend_battle equals 1, then listscore_defend_battle is equal to list_defend_battle_t.

# agen [Age]
What year were you born?
What month were you born?
agen = floor( (survey date (yyyy/mm) - birthdate (yyyy/mm)) / 12)

# agen2 [Square of Age]
What year were you born?
What month were you born?
agen2 = agen^2

# high_educ [College]
What is your education level?
0 No college degree
1 With a college degree

# area_batt_n [Area-Battalion]
1 Taichung-A
2 Taichung-B
3 Tainan-C

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## WVS (Taiwan)
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# year [Year Survey]
Year of survey (yyyy)

# wave [WVS Wave]
Chronology of EVS-WVS waves

# will_fight_2 [Willingness to fight for country]
Of course, we all hope that there will not be another war, but if it were to come to that, would you be willing to fight for your country?
0 No
1 Yes

# treatment_word [Treatment (Wording Effect)]
5 WVS Defend our country and fight

# female [Female]
Sex
0 Male
1 Female

# male [Male]
Sex
0 Female
1 Male

# agen [Age]
Age
agen = X003

